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open-nomad
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Move unit tests around into per-platform where appropriate.

This commit is contained in:
Sean Chittenden 2016-07-09 23:56:31 -07:00
parent a5dc6c2da9
commit 6fc269d2a6
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GPG Key ID: 4EBC9DC16C2E5E16
2 changed files with 73 additions and 61 deletions
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72
client/driver/executor/executor_linux_test.go Normal file
View File

@ -0,0 +1,72 @@
package executor
import (
"io/ioutil"
"log"
"os"
"path/filepath"
"strconv"
"strings"
"testing"
cstructs "github.com/hashicorp/nomad/client/driver/structs"
"github.com/hashicorp/nomad/client/testutil"
)
func TestExecutor_IsolationAndConstraints(t *testing.T) {
testutil.ExecCompatible(t)
execCmd := ExecCommand{Cmd: "/bin/echo", Args: []string{"hello world"}}
ctx := testExecutorContext(t)
defer ctx.AllocDir.Destroy()
execCmd.FSIsolation = true
execCmd.ResourceLimits = true
execCmd.User = cstructs.DefaultUnpriviledgedUser
executor := NewExecutor(log.New(os.Stdout, "", log.LstdFlags))
ps, err := executor.LaunchCmd(&execCmd, ctx)
if err != nil {
t.Fatalf("error in launching command: %v", err)
}
if ps.Pid == 0 {
t.Fatalf("expected process to start and have non zero pid")
}
_, err = executor.Wait()
if err != nil {
t.Fatalf("error in waiting for command: %v", err)
}
// Check if the resource contraints were applied
memLimits := filepath.Join(ps.IsolationConfig.CgroupPaths["memory"], "memory.limit_in_bytes")
data, err := ioutil.ReadFile(memLimits)
if err != nil {
t.Fatalf("err: %v", err)
}
expectedMemLim := strconv.Itoa(ctx.Task.Resources.MemoryMB * 1024 * 1024)
actualMemLim := strings.TrimSpace(string(data))
if actualMemLim != expectedMemLim {
t.Fatalf("actual mem limit: %v, expected: %v", string(data), expectedMemLim)
}
if err := executor.Exit(); err != nil {
t.Fatalf("error: %v", err)
}
// Check if Nomad has actually removed the cgroups
if _, err := os.Stat(memLimits); err == nil {
t.Fatalf("file %v hasn't been removed", memLimits)
}
expected := "hello world"
file := filepath.Join(ctx.AllocDir.LogDir(), "web.stdout.0")
output, err := ioutil.ReadFile(file)
if err != nil {
t.Fatalf("Couldn't read file %v", file)
}
act := strings.TrimSpace(string(output))
if act != expected {
t.Fatalf("Command output incorrectly: want %v; got %v", expected, act)
}
}

62
client/driver/executor/executor_test.go
View File

@ -6,7 +6,6 @@ import (
"os"
"path/filepath"
"reflect"
"strconv"
"strings"
"syscall"
"testing"
@ -16,7 +15,6 @@ import (
"github.com/hashicorp/nomad/client/allocdir"
"github.com/hashicorp/nomad/client/driver/env"
cstructs "github.com/hashicorp/nomad/client/driver/structs"
"github.com/hashicorp/nomad/client/testutil"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
@ -159,65 +157,7 @@ func TestExecutor_WaitExitSignal(t *testing.T) {
}
}
func TestExecutor_IsolationAndConstraints(t *testing.T) {
testutil.ExecCompatible(t)
execCmd := ExecCommand{Cmd: "/bin/echo", Args: []string{"hello world"}}
ctx := testExecutorContext(t)
defer ctx.AllocDir.Destroy()
execCmd.FSIsolation = true
execCmd.ResourceLimits = true
execCmd.User = cstructs.DefaultUnpriviledgedUser
executor := NewExecutor(log.New(os.Stdout, "", log.LstdFlags))
ps, err := executor.LaunchCmd(&execCmd, ctx)
if err != nil {
t.Fatalf("error in launching command: %v", err)
}
if ps.Pid == 0 {
t.Fatalf("expected process to start and have non zero pid")
}
_, err = executor.Wait()
if err != nil {
t.Fatalf("error in waiting for command: %v", err)
}
// Check if the resource contraints were applied
memLimits := filepath.Join(ps.IsolationConfig.CgroupPaths["memory"], "memory.limit_in_bytes")
data, err := ioutil.ReadFile(memLimits)
if err != nil {
t.Fatalf("err: %v", err)
}
expectedMemLim := strconv.Itoa(ctx.Task.Resources.MemoryMB * 1024 * 1024)
actualMemLim := strings.TrimSpace(string(data))
if actualMemLim != expectedMemLim {
t.Fatalf("actual mem limit: %v, expected: %v", string(data), expectedMemLim)
}
if err := executor.Exit(); err != nil {
t.Fatalf("error: %v", err)
}
// Check if Nomad has actually removed the cgroups
if _, err := os.Stat(memLimits); err == nil {
t.Fatalf("file %v hasn't been removed", memLimits)
}
expected := "hello world"
file := filepath.Join(ctx.AllocDir.LogDir(), "web.stdout.0")
output, err := ioutil.ReadFile(file)
if err != nil {
t.Fatalf("Couldn't read file %v", file)
}
act := strings.TrimSpace(string(output))
if act != expected {
t.Fatalf("Command output incorrectly: want %v; got %v", expected, act)
}
}
func TestExecutor_DestroyCgroup(t *testing.T) {
func TestExecutor_ClientCleanup(t *testing.T) {
testutil.ExecCompatible(t)
execCmd := ExecCommand{Cmd: "/bin/bash", Args: []string{"-c", "/usr/bin/yes"}}